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Draft release notes for 1.87
#140133 opened Apr 21, 2025 by BoxyUwU
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Issues list

Nested but non-conflicting projection predicates emerging from supertrait bounds leads to ambiguity C-bug Category: This is a bug. F-arbitrary_self_types `#![feature(arbitrary_self_types)]` T-types Relevant to the types team, which will review and decide on the PR/issue.
#140217 opened Apr 23, 2025 by dingxiangfei2009
1
arbitrary_self_type: insert implied Receiver bound on Deref F-arbitrary_self_types `#![feature(arbitrary_self_types)]` S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#138952 opened Mar 25, 2025 by dingxiangfei2009 Loading…
@nikomatsakis
15
ICE using repr(align(…)) type as trait object receiver (arbitrary self-type) A-dyn-trait Area: trait objects, vtable layout A-layout Area: Memory layout of types C-bug Category: This is a bug. F-arbitrary_self_types `#![feature(arbitrary_self_types)]` F-dispatch_from_dyn `#![feature(dispatch_from_dyn)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-nightly This issue requires a nightly compiler in some way. S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#138564 opened Mar 16, 2025 by steffahn
1
arbitrary_self_types + derive_coerce_pointee allows calling methods whose where clauses are violated C-bug Category: This is a bug. F-arbitrary_self_types `#![feature(arbitrary_self_types)]` F-derive_coerce_pointee Feature: RFC 3621's oft-renamed implementation T-lang Relevant to the language team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue.
#136702 opened Feb 7, 2025 by RalfJung
1
@BoxyUwU
28
Better error reporting for T: ?Sized types when impl Receiver for MyType<T> is implicitly sized A-diagnostics Area: Messages for errors, warnings, and lints C-discussion Category: Discussion or questions that doesn't represent real issues. D-confusing Diagnostics: Confusing error or lint that should be reworked. F-arbitrary_self_types `#![feature(arbitrary_self_types)]`
#134390 opened Dec 16, 2024 by compiler-errors
@cramertj
7
Tracking issue for future-incompatibility lint ptr_cast_add_auto_to_object A-dyn-trait Area: trait objects, vtable layout A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. A-raw-pointers Area: raw pointers, MaybeUninit, NonNull C-future-incompatibility Category: Future-incompatibility lints C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-arbitrary_self_types `#![feature(arbitrary_self_types)]` F-derive_coerce_pointee Feature: RFC 3621's oft-renamed implementation T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#127323 opened Jul 4, 2024 by WaffleLapkin
15
rustc performs auto-ref when a raw pointer would be enough A-MIR Area: Mid-level IR (MIR) - https://blog.rust-lang.org/2016/04/19/MIR.html C-bug Category: This is a bug. F-arbitrary_self_types `#![feature(arbitrary_self_types)]` T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#73987 opened Jul 3, 2020 by RalfJung
43
arbitrary self types causes unexpected error messages A-diagnostics Area: Messages for errors, warnings, and lints C-enhancement Category: An issue proposing an enhancement or a PR with one. D-confusing Diagnostics: Confusing error or lint that should be reworked. D-papercut Diagnostics: An error or lint that needs small tweaks. F-arbitrary_self_types `#![feature(arbitrary_self_types)]` T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#69069 opened Feb 11, 2020 by nikomatsakis
3
ManuallyDrop should be a dyn-compatible receiver type A-dyn-trait Area: trait objects, vtable layout F-arbitrary_self_types `#![feature(arbitrary_self_types)]` T-lang Relevant to the language team, which will review and decide on the PR/issue.
#64351 opened Sep 10, 2019 by withoutboats
21
ICE in object_safety.rs due to method receiver not having a layout C-bug Category: This is a bug. F-arbitrary_self_types `#![feature(arbitrary_self_types)]` F-dispatch_from_dyn `#![feature(dispatch_from_dyn)]` glacier ICE tracked in rust-lang/glacier. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-nightly This issue requires a nightly compiler in some way. S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#57276 opened Jan 2, 2019 by mikeyhew
4
Tracking issue for RFC 3519: arbitrary_self_types B-RFC-approved Blocker: Approved by a merged RFC but not yet implemented. B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-arbitrary_self_types `#![feature(arbitrary_self_types)]` S-tracking-needs-summary Status: It's hard to tell what's been done and what hasn't! Someone should do some investigation. S-types-deferred Status: Identified as a valid potential future enhancement that is not currently being worked on T-lang Relevant to the language team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue.
#44874 opened Sep 26, 2017 by arielb1
7 of 16 tasks
151
ProTip! Exclude everything labeled bug with -label:bug.